Manufactured by CHG Bearing, the 382960P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 300 mm bore diameter, a 420 mm outer diameter, and a 300 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

382960P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 382960P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 300 mm |
| Width (B) | 300 mm |
| Outer Diameter (D) | 420 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.033 – 0 mm |
| Inner Ring Chamfer | 4 min mm |
| Outer Ring Chamfer | 3 min mm |
| Inner Ring Assembly Width Tolerance | -0.3 – +0.3 mm |
| Outer Ring Assembly Width | 300 mm |
| Outer Ring Assembly Width Tolerance | -0.3 – +0.3 mm |
| Shaft Abutment Diameter | 330 mm |
| Housing Abutment Diameter | 380 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2730 kN |
| Basic Static Load Rating C0 (kN) | 7310 kN |
| Material | |
| Mass (kg) | 126 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12.2 mm |
382960P5 420 mm 300 mm 300 mm Frequently Asked Questions about 382960P5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To ensure optimum performance of CHG Bearing 382960P5 Four-Row Tapered Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 300 mm bore. For the 420 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Every production batch of CHG Bearing 382960P5 Four-Row Tapered Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
The CHG Bearing 382960P5 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Quality starts with raw material selection: CHG Bearing crafts 382960P5 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
